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java.lang.NullPointerException: 	at java.util.Collections.binarySearch(Collections.java:324)	at com.icefaces.AutoCompleteBean.setMatches(AutoCompleteBean.java:127)	at com.icefaces.AutoCompleteBean.updateList(AutoCompleteBean.java:51)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:618)	at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:127)	at javax.faces.component.UIInput.broadcast(UIInput.java:492)	at com.icesoft.faces.component.ext.HtmlInputText.broadcast(HtmlInputText.java:683)	at com.icesoft.faces.component.selectinputtext.SelectInputText.broadcast(SelectInputText.java:305)	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:284)	at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:381)	at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:80)	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:220)	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:91)	at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:18)	at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCycle(ReceiveSendUpdates.java:122)	at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:73)	at com.icesoft.faces.webapp.http.core.RequestVerifier.service(RequestVerifier.java:28)	at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:160)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher$1.service(SessionDispatcher.java:42)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)	at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:62)	at com.icesoft.faces.webapp.http.servlet.SessionVerifier.service(SessionVerifier.java:22)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)	at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:153)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)	at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:56)	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1149)	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:591)	at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:481)	at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3453)	at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:815)	at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1466)	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:119)	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)	at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:102)	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)	at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:196)	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:751)	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:881)	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)